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Internet Archive
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Preserved
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2025-08-08
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5 to 18
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 91
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Portico
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Preserved
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2026-02-12
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Preserved : 1977: 1(1-4, Index), 1978: 2(1-4, Index), 1979: 3(1-4, Index), 1980: 4(1-4, Index), 1981: 5(1-4), 1982: 6(1-4), 1983: 7(1-4), 1984: 8(1-4), 1985: 9(1-4), 1986: 10(1-4), 1987: 11(1-4), 1988: 12(1-4), 1989: 13(1-4), 1990: 14(1-4), 1991: 15(1-4), 1992: 16(1-4), 1993: 17(1-4), 1994: 18(1-4), 1995: 19(1-4), 1996: 20(1-4), 1997: 21(1-4), 1998: 22(1-4), 1999: 23(1-4), 2000: 24(1-4), 2001: 25(1-4), 2002: 26(1-4), 2003: 27(1-4), 2004: 28(1-4), 2005: 29(1-4), 2006: 30(1-4), 2007: 31(1-4), 2008: 32(1-4), 2009: 33(1-4), 2010: 34(1-4), 2011: 35(1-4), 2012: 36(C), 2012: 37(C), 2012: 39(C), 2013: 42(C), 2013: 43(C), 2014: 44(C), 2014: 45(C), 2014: 46(C), 2014: 47(C), 2015: 48(C), 2015: 49(C), 2015: 50, 2015: 51, 2016: 52(C), 2016: 53(C), 2016: 54, 2016: 55(Part 1, Part 2), 2017: 56, 2017: 57, 2017: 58, 2017: 59, 2018: 60, 2018: 61, 2018: 62, 2018: 63, 2019: 64, 2019: 65, 2019: 66, 2019: 67, 2020: 68, 2020: 69, 2020: 70, 2020: 71, 2021: 72, 2021: 73, 2021: 74, 2021: 75, 2022: 76, 2022: 77, 2022: 78, 2022: 79, 2023: 80, 2023: 81, 2023: 82, 2023: 83, 2024: 84, 2024: 85, 2024: 86, 2024: 87, 2025: 88, 2025: 89, 2025: 90, 2025: 91
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1, 2, 3-4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1, 2, 3-4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 71; 72; 73; 74; 75; 76; 77; 78; 79; 80; 81; 82; 83; 85; 86; 87; 88; 89; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1, I, 2-4); 2 (1-4); 3 (1, I, 2-4); 4 (1-4); 5 (1-4); 6 (1, 2, 4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1, 2, 3-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-3); 16 (1, 3, 4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1, 2, 3-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-3); 36 (C); 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 55; 56; 57; 58; 59; 62; 63; 64; 66; 140 (2)
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